Enhance Weapon

You touch a weapon or a willing creature, imbuing its' attacks with magical power. Choose one damage type: Acid, cold, fire, thunder, lightning, poison or necrotic. Until the spell ends, if the target is a creature, it's unarmed strikes or natural melee attacks deal an additional 1d8 damage of the chosen type whenever the target hits with an attack. If the target is a weapon, the weapon does an additional 1d8 damage of the chosen type on a successful attack.

At Higher Levels. When you cast this spell using a spell slot of 5th or 6th level, the additional damage becomes a d10. When you use a spell slot of 7th level or higher, the additional damage becomes 1d12.